It's about 45 times as heavy as a Kangaroo
It's about 50 times as heavy as a Beer Keg
In other words, 3,750,000 grams is 51.510 times the weight of a Beer Keg, and the weight of a Beer Keg is 0.01941 times that amount.(for US half-barrel, full keg; draft beer; including keg itself, stainless steel)
A typical, half-barrel beer keg weighs 72,800 grams when full. A keg of this size contains 15.5 gallons of beer, or the equivalent of 6.8 cases.
It's about 75 times as heavy as an Octopus
In other words, the weight of an Octopus is 0.013 times 3,750,000 grams.(for Giant Pacific Octopus, Enteroctopus) (Adult, average)
The adult North Pacific Giant Octopus usually weighs around 50,000 grams. It is the largest octopus species and is known for its considerable intelligence, including the ability to open jars, solve mazes, and mimic other octopuses.
It's about 85 times as heavy as a Toilet
In other words, the weight of a Toilet is 0.0116 times 3,750,000 grams.(KOHLER Round front sitting flush toilet, model #K-11471-0)
The weight of a typical round front sitting flush toilet is 43,600 grams. The Indian town of Musiri in Tamil Nadu state features the world's only paying toilet, which rewards its users up to 10¢ Indian (10 paisas) per visit and uses the waste for compost and fertilizer.
It's about 150 times as heavy as a Dalmatian
In other words, 3,750,000 grams is 127 times the weight of a Dalmatian, and the weight of a Dalmatian is 0.00787 times that amount.(a.k.a. Dalmatinac, a.k.a. Carriage Dog, a.k.a. Spotted Coach Dog, a.k.a. Firehouse Dog) (FCI standard; male)
The Fédération Cynologique Internationale (FCI) calls for Dalmatians to weigh between 29,500 grams. The association of the breed with fire departments (and similarly with Budweiser Beer and its team of Clydesdales) stems from their affinity for horses, having been used historically as carriage dogs capable of guiding horse-drawn fire engines to the sites of blazes.
It's about one-one-hundred-fiftieth as heavy as Christ the Redeemer (statue)
In other words, 3,750,000 grams is 0.00591 times the weight of Christ the Redeemer (statue), and the weight of Christ the Redeemer (statue) is 169 times that amount.(a.k.a. O Cristo Redentor, a.k.a. Christo redemptor) (Rio de Janeiro, Brazil)
Christ the Redeemer weighs 635,000,000 grams. The statue overlooks the city of Rio de Janeiro from atop the 709.9-meter (2,329 ft) granite peak in the Tijuca Forest National Park.
It's about 300 times as heavy as a Gold Bar
In other words, 3,750,000 grams is 301.41324910 times the weight of a Gold Bar, and the weight of a Gold Bar is 0.003317704192 times that amount.(London Good Delivery bar)
A "London Good Delivery" gold bar — the variety commonly held by Central Banks — should weigh 12,441.390720 grams. The largest gold bar ever produced was minted by Mitsubishi Materials Corporation (a sibling company of the auto manufacturer) in 2005 and weighed 250,000 grams.